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Update Pin_Definitions.md

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bdring
2020-12-20 19:36:41 -06:00
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Grbl_Esp32/src/Pin_Definitions.md
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@@ -2,6 +2,8 @@
Pin definitions can be done several way.
Most require a reboot, **$System/Control=Restart**, to take effect
#### Machine Definition file
They are set with **#defines** in your machine definition file (your_def.h). They act as the default settings. You can override them with run time settings. **$RST=$** will restore all your pins to the defaults. The default of any pin not set in this file is **UNDEFINED_PIN** and disables the feature it was assigned to.
@@ -67,15 +69,17 @@ The state of an input can be either high or low. You can set that by adding **:h
#define COOLANT_MIST_PIN "gpio.2"
#define USER_DIGITAL_PIN_0 "gpio.26:low"
$Coolant/Flood/Pin=gpio.2
$User/Digital/0/Pin=gpio.26:low
$X/Direction/Pin=i2so.1:low // Change direction of X motor
~~~
## PWM Output Pins
...coming soon
## Spindles
...coming soon